USN-4058-1

It was discovered that Bash incorrectly handled the restricted shell. An attacker could possibly use this issue to escape restrictions and execute any command.

References

Affected packages

Ubuntu:16.04:LTS / bash

Package

Name: bash
Purl: pkg:deb/ubuntu/bash@4.3-14ubuntu1.4?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.3-14ubuntu1.4

Affected versions

4.*

4.3-14ubuntu1

4.3-14ubuntu1.1

4.3-14ubuntu1.2

4.3-14ubuntu1.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "bash",
            "binary_version": "4.3-14ubuntu1.4"
        },
        {
            "binary_name": "bash-builtins",
            "binary_version": "4.3-14ubuntu1.4"
        },
        {
            "binary_name": "bash-dbgsym",
            "binary_version": "4.3-14ubuntu1.4"
        },
        {
            "binary_name": "bash-doc",
            "binary_version": "4.3-14ubuntu1.4"
        },
        {
            "binary_name": "bash-static",
            "binary_version": "4.3-14ubuntu1.4"
        },
        {
            "binary_name": "bash-static-dbgsym",
            "binary_version": "4.3-14ubuntu1.4"
        }
    ],
    "availability": "No subscription required"
}